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Page Title:
DIFFERENTIAL LOCK SOLENOID DOES NOT OPERATE |
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 TM 9-2320-366-20-2
TM
INITIAL SETUP
Equipment Condition
Tools and Special Tools
Engine shut down (TM 9-2320-366-10-1).
Tool Kit, Genl Mech (Item 46, Appendix C)
STE/ICE-R (Item 41, Appendix C)
Personnel Required
Multimeter, Digital (Item 22, Appendix C)
(2)
References
TM 9-4910-571-12&P
START
KNOWN INFO
TEST OPTIONS
1.
Continuity Test or
Vehicle runs.
STE/ICE-R #91
Is continuity present from
Backup light OK.
REASON FOR QUESTION
differential lock solenoid
POSSIBLE PROBLEMS
If continuity is not present,
connector pin 1 to socket 2?
Faulty differential lock
differential lock solenoid is
solenoid.
faulty.
Faulty dashboard cable
assembly.
Faulty relay SF04 in WTEC
II VIM.
Faulty WTEC II cab
NO
transmission harness.
Faulty WTEC II TEPSS.
Faulty WTEC III relay K34.
Faulty WTEC III
Replace differential lock
transmission ECU.
solenoid (para 7-24).
Faulty WTEC III TPSS.
YES
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